In the era when samurai controlled Japan... The Masked Demons annihilated all but one member of the Shinsengumi, who had worked to maintain the peace and public order in Kyoto. <br><br> Seven criminals are chosen as substitutes for the deceased Shinsengumi members, and they are led by Ichibanboshi, whose parents were also killed by the Masked Demons. He becomes a substitute for Commander Isami Kondo and goes after the Masked Demons with the other substitutes to avenge his parents' deaths. <br><br> Former criminals rise up to restore peace and order as their crazy story begins! Now is the time to shine the brightest!<br><br> (Source: Crunchyroll)